Payal Singh
Bengaluru
Summary
IAM/Cyber Security Engineer with 11.1 years of hands-on and multi-tasking experience. I am a PKI Engineer with expertise in securing digital identities, automating certificate lifecycle management, and building scalable cryptographic solutions for enterprise environments. Over the years, I’ve worked on implementing and managing PKI infrastructures, SSL/TLS, digital certificates, ACME protocol, and Hardware Security Modules (HSMs) to ensure trust and security across applications, networks, and cloud platforms.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Senior Consultant
EY
Bengaluru, India
10.2025 - Current
- Implemented AppViewX for end-to-end SSL/TLS lifecycle management, preventing outages and ensuring policy compliance.
- Monitored PKI health, troubleshot chain validation, and enforced templates for enterprise-wide security.
- Deployed encryption solution using Thales HSMs and Venafi for key management.
- Managed certificates in AppviewX, providing guidance on usage and troubleshooting to ensure effective certificate lifecycle management.
Sr. Information Security Engineer
Optum Global Solutions India Pvt. Ltd.
02.2022 - 09.2025
- Performed an infrastructure health check analysis, security patches, and version updates. Responsible for the deployment and migration of servers on a large scale.
- Experience with public key infrastructure (PKI) and certificate lifecycle management.
- Strong understanding of cryptography, encryption, HSM, SSO, and MFA.
- Follow ITIL framework and practices – Incident, Problem, and Change Management via Remedy and ServiceNow IT Service Management Suite.
- Working on Sectigo to issue and renew the CA certificate.
- Troubleshoots issues related to CyberArk or End Users using ticketing system. On-Boarded multiple accounts with CyberArk PAM.
- Worked on Venafi managing the certificates and Digital Certificates and groups for the users
- Mentored junior team members in information security concepts and techniques, helping build a strong pipeline of future talent for the organization.
- Coordinated with legal, applications, and other departments on matters related to information security incidents or investigations as needed.
- Streamlined the vulnerability management process by automating routine tasks and providing actionable insights on prioritized risks.
- Managed relationships with external vendors, ensuring timely delivery of services while maintaining compliance with industry standards.
- Collaborated with cross-functional teams to develop enterprise-wide security initiatives, reducing overall risk exposure.
- Created policies and procedures for emerging security technologies and proposals.
Technical Lead
Wipro Pvt. Ltd.
08.2021 - 02.2022
- Responsible to manage and work on certificate discovery &management tools (Tanium & Sectigo & MS-PKI)
- Monitoring the Issuing CA across all the Aviva markets and tracking the certificate status
- Responsible to manage and work on legacy SHA1 with SHA2 and key strength replacement with SHA2 Cert Issuing and replacing Self-signed cert and vendor default cert with Aviva PKI cert Responsible to provide Web enrollment support.
- Manage the devices where Cipher strength needs to be increased Responsible to manager and work on SSL/TLS version upgrade to 1.2 or 1.3 if feasible
- Responding actively to the alerts and outages reported by various teams.
- Understand PKIview.msc and monitoring the health of CA, CRLs locations etc.
- Involved upgrade on CyberArk component on various servers and setup privileged.
- Contacting application owners for certificate expiry and ensure that the certificate is renewed and bonded within the applications.
Security Delivery Specialist
Accenture
05.2019 - 08.2021
- Responsible for enterprise-wide system monitoring primarily by means of System Center Operations Manager (SCOM).
- Performed on Infrastructure Health check analysis, security patches and versions updates. Experience on SIEM solutions and monitoring.
- Develop, implement, and execute standard procedures for the administration, content management, change management, version/patch management, and lifecycle management of the SIEM/Log Management platforms
- Strong understanding S/MIME, Wild Cards, SAN certificates and hashing standards like SHA-1/SHA-2.
- Worked on Privileged Account Management with CyberArk PIM suite Administration.
- On boarding applications and configuration of privileged accounts in CyberArk.
- Identifies, analyzes, and resolves system problems in PKI. -Administered SSL certification deployments and PKI infrastructure.
- Provided guidance to junior team members, fostering professional growth while enhancing overall team performance.
Security Delivery Specialist
IBM India Pvt. Ltd.
02.2015 - 05.2019
- Company Overview: ABB (ASEA Brown Boveri) is a Swedish-Swiss multinational corporation headquartered in Zurich, Switzerland, operating mainly in robotics, power, heavy electrical equipment and automation technology areas.
- Managing Active Directory & Domain Services of our client. -Responsible for creation, modification, deletion of user accounts and all types of Domain objects.
- Patches and new version upgradation as well.
- Following specific trouble shooting steps to resolve the problem within SLA set by Client Monitoring and doing Root Cause Analysis (RCA) of the Escalations/Reworks. Import and Export user’s digital certificate. Issue SSL Certificate for servers.
- Expertise in the understanding of PKI concepts (infrastructure & architecture) Philips, Wyndham, Equifax, EIG and Loreal (Feb 2015 – August 2016)
- This Project was about to monitor the four different accounts, analyzing and notifying the failures to concerned teams. Dealing with customers and raising their concerns and working with the teams regarding them.
- Experience in System Operations (Console and Distributed batch Job Monitoring in Autosys).
- Experience in Console operations server monitoring.
- Performing Ad hoc requests. Working on Problem/Incident Tickets pertaining to Batch Jobs.
- Attending daily and weekly meeting calls joining bridge calls interacting with application teams, on shore teams
- Designed scalable processes for managing cybersecurity incidents, promoting efficiency while minimizing downtime during crisis situations.
Education
Bachelor of Engineering - Computer Science Engineering
Chhattisgarh Swami Vivekanand Technical University
Durg, India05.2013
Skills
DigiCert, Sectigo Advanced,User Provisioning Advanced,Venafi,ServiceNow, Maximo, Jira, Rally Expert,HSM Intermediate,Cyber Security Advanced,PKI Advanced,Access Management Advanced,Incident Management Advanced,CyberArk Intermediate,Incident Response Expert,ITIL Advanced, Identity management, Cryptography, Access control
Certification
- Venafi
- ITIL
- AZ-104
Timeline
Senior Consultant
EY
10.2025 - Current
Sr. Information Security Engineer
Optum Global Solutions India Pvt. Ltd.
02.2022 - 09.2025
Technical Lead
Wipro Pvt. Ltd.
08.2021 - 02.2022
Security Delivery Specialist
Accenture
05.2019 - 08.2021
Security Delivery Specialist
IBM India Pvt. Ltd.
02.2015 - 05.2019
Bachelor of Engineering - Computer Science Engineering
Chhattisgarh Swami Vivekanand Technical University